the new technology being used in marin county to help divers find a missing man. >>> plus a record number of young californians registered to vote this year. why that is not necessarily a boost for either democrats or republicans. >>> three police officers have been injured in a shooting in new jersey. one is being treated in a hospital. it happened outside the gloucester township. this morning around 5:30. authorities say a suspect is under arrest for domestic violence in a related incident and when they were taking him in a struggle broke out at the police station when she was being processed. >> the suspect obtained a firearm and fired on three of our officers. right now we have one officer that was shot just below his bullet proof vest. he is in surgery. >> at last word that officer was in stable condition. police did return fire and the gunman was killed. >> scientists will be analyzing the dna of the 20-year-old gunman behind the school shootings. two weeks ago police say adam lanza killed his mother an 20 children and six adults before killing himself. the genetic specialist will b